IQBALS, S.; IQBAL, Z.; AHMAD, H.; KAMAL, M.; KHAN, M. Y.; JAVAID, A. FREQUENCY OF RESPIRATORY FAILURE IN PATIENTS WITH ACUTE EXACERBATION OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE. Pakistan Journal of Chest Medicine, [S. l.], v. 21, n. 3, p. 109–13, 2016. Disponível em: http://pjcm.net/index.php/pjcm/article/view/365. Acesso em: 31 may. 2026.